A new study finds that warming temperatures are causing Antarctic penguins to breed earlier, threatening some species with extinction by century's end.

London Aquarium’s colony of gentoo penguins is getting ready for mating season. The birds are already starting to display traditional courtship behaviours, which include bowing to each other and ...

The formally feathered, flightless aquatic birds known as penguins dominate the frigid waters surrounding the subantarctic ...